A handmade business or credit card case by Ecolution, featuring deluxe Merino wool felt made in Switzerland. While sometimes out of stock due to its handmade nature, it is often available for around $14.41–$14.74 at Etsy .

: Some brands, like KHAFFEE, offer wallets that are entirely plastic-free, using metal zippers and cotton sewing thread.

: Many of these products use 100% Merino wool felt , which is naturally biodegradable and water-repellent.